Sailun Atrezzo ZSR2 is a summer tyre made in total of 66 sizes, ranging from R16 to R16 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/40 R20 is 70mm wider than the narrowest dimension (205) and 40mm narrower than the widest one (315). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (275mm), which results in 110mm sidewall height. In
275/40 R20, Atrezzo ZSR2 usually competes against
Speed-Life 3, which is a tyre from
Semperit with a rating of 51%, compared to 47% of the
Sailun in question.
Summer
